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//===-- Linux implementation of lseek -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/unistd/lseek.h"
#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include "src/__support/File/linux/lseekImpl.h"
#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
#include "src/__support/common.h"
#include "hdr/types/off_t.h"
#include <sys/syscall.h> // For syscall numbers.
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(off_t, lseek, (int fd, off_t offset, int whence)) {
auto result = internal::lseekimpl(fd, offset, whence);
if (!result.has_value()) {
libc_errno = result.error();
return -1;
}
return result.value();
}
} // namespace LIBC_NAMESPACE_DECL
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